Welford, R. (1995). Environmental strategy and sustainable: Development: the corporate challenge for the twenty-first century. Routledge.
Tohutoru Kātū Chicago (17th ed.)Welford, Richard. Environmental Strategy and Sustainable: Development: The Corporate Challenge for the Twenty-first Century. London: Routledge, 1995.
Tohutoro MLA (9th ed.)Welford, Richard. Environmental Strategy and Sustainable: Development: The Corporate Challenge for the Twenty-first Century. Routledge, 1995.
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